code: def test_from_dict(self):
      answer = GeneratedAnswer.from_dict(
          {
              "type": "haystack.dataclasses.answer.GeneratedAnswer",
              "init_parameters": {
                  "data": "42",
                  "query": "What is the answer?",
                  "documents": [
                      {"id": "1", "content": "The answer is 42."},
                      {
                          "id": "2",
                          "content": "I believe the answer is 42.",
                      },
                      {
                          "id": "3",
                          "content": "42 is definitely the answer.",
                      },
                  ],
                  "meta": {"meta_key": "meta_value"},
              },
          }
      )
      assert answer.data == "42"
      assert answer.query == "What is the answer?"
      assert answer.documents == [
          Document(id="1", content="The answer is 42."),
          Document(id="2", content="I believe the answer is 42."),
          Document(id="3", content="42 is definitely the answer."),
      ]
      assert answer.meta == {"meta_key": "meta_value"}
  
file_path: haystack/test/dataclasses/test_answer.py
imports: from pandas import DataFrame
  from haystack.dataclasses.answer import Answer, ExtractedAnswer, ExtractedTableAnswer, GeneratedAnswer
  from haystack.dataclasses.document import Document
label_desc: Use image node_id 4 for calling the TestGeneratedAnswer obj's underlying member method code with example usage: obj.test_from_dict() without return types